Schorl (Tourmaline) Gemstones

  • Hardness

    7.0 on the Mohs scale.

  • Occurrence

    Often found in pegmatites, black tourmaline is rich in iron, and very common. Tourmaline and opal are the birthstones of the month of October. Tourmaline is the national gemstone of the United States.

  • Appearance

    Opaque and completely black. Black spinel and black tourmaline are both excellent choices for making jewelry with black gemstones.

  • Enhancements

    Black tourmaline is not enhanced.

    More information on gemstone enhancements.

  • Gemstone Family

    Schorl is a member of the Tourmaline gemstone family.